摘要 :
Background Previous research suggests food diaries may be more efficient than food frequency questionnaires (FFQ) in detecting a dietary fat–breast cancer relationship. We assessed this further using 4 day food records (FRs) and ...
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Background Previous research suggests food diaries may be more efficient than food frequency questionnaires (FFQ) in detecting a dietary fat–breast cancer relationship. We assessed this further using 4 day food records (FRs) and FFQs in a large sample.
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